Internet Protocol (IP) addresses take the form xxx.xxx.xxx.xxx, where xxx (an octet) is a number from zero through 255. There are public IP addresses and private IP addresses. Public IP addresses are ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Several responses to the last tutorial pointed out how intricate and complex the world of IP ...

To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

Today, the standard methods for moving the network/host address boundary are variable-length subnet masking (VLSM) for host addressing and routing inside a routing domain, and classless interdomain ...

This week’s sneak peek of a Cisco Press book is a chapter from QoS for IP/MPLS Networks by Santiago Alvarez. Here’s the blurb from Cisco Press: QoS for IP/MPLS Networks is a practical guide that will ...